Gundrill blanks can be full-length sticks, cut to length heads, and can have preformed, presharpening angles included. Round or other shaped coolant holes including single hole, double hole or kidney holes can be manufactured.
Standard gundrill extrusions up to 12.2” long are available in diameters ranging from 0.098” to 0.770” OD and are available with three different coolant hole geometries. Gundrill heads requiring diameters greater than 0.770” OD can be manufactured with one or two coolant holes.
Preform flat blanks from H. B. Carbide use the same high-quality materials and state-of-the-art machining technology as the rest of our carbide blanks and preforms. Flat blanks capabilities include wire EDM blocks, saw blanks, form tool blanks, rest blades. HB Carbide EDM blanks are guaranteed against cracking. Flat blanks are custom manufactured to your specifications.
Preforms for flat blanks can include the following features:
H.B. Carbide’s specialty blanks can be manufactured for your specific requirements using any of the grades we offer. Our carbide blanks specialists will assist you with everything from grade selection to preform design.
We can supply all your special blank needs for products you supply to any variety of industries.
Using the highest-quality materials and state-of-the-art technology, H. B. Carbide creates exacting special extrusion fluted preforms. Computer-controlled vacuum furnaces and vacuum Sinter-Hipping furnaces allow complete control of sintering conditions for the most exacting fluted preforms.
We can supply specially extruded blanks and add such features as: